Perceived job insecurity as a risk factor for incident coronary heart disease: systematic review and meta-analysis

Marianna Virtanen, Solja T Nyberg, George David Batty, Markus Jokela, Katriina Heikkilä, Eleonor I Fransson, Lars Alfredsson, Jakob B Bjorner, Marianne Borritz, Hermann Burr, Annalisa Casini, Els Clays, Dirk De Bacquer, Nico Dragano, Marko Elovainio, Raimund Erbel, Jane E Ferrie, Mark Hamer, Karl-Heinz Jöckel, France KittelAnders Knutsson, Markku Koskenvuo, Aki Koskinen, Thorsten Lunau, Ida Elisabeth Huitfeldt Madsen, Martin L Nielsen, Maria Nordin, Tuula Oksanen, Krista Pahkin, Jan Pejtersen, Jaana Pentti, Reiner Ernst Rugulies, Paula Salo, Martin J Shipley, Johannes Siegrist, Andrew Steptoe, Sakari B Suominen, Töres Theorell, Salla Toppinen-Tanner, Ari Väänänen, Jussi Vahtera, Peter J M Westerholm, Hugo Westerlund, Natalie Slopen, Ichiro Kawachi, Archana Singh-Manoux, Mika Kivimäki, IPD-Work Consortium

127 Citations (Scopus)

Abstract

Objective To determine the association between self reported job insecurity and incident coronary heart disease. Design A meta-analysis combining individual level data from a collaborative consortium and published studies identified by a systematic review. Data sources We obtained individual level data from 13 cohort studies participating in the Individual-Participant-Data Meta-analysis in Working Populations Consortium. Four published prospective cohort studies were identified by searches of Medline (to August 2012) and Embase databases (to October 2012), supplemented by manual searches. Review methods Prospective cohort studies that reported risk estimates for clinically verified incident coronary heart disease by the level of self reported job insecurity. Two independent reviewers extracted published data. Summary estimates of association were obtained using random effects models. Results The literature search yielded four cohort studies. Together with 13 cohort studies with individual participant data, the meta-analysis comprised up to 174 438 participants with a mean follow-up of 9.7 years and 1892 incident cases of coronary heart disease. Age adjusted relative risk of high versus low job insecurity was 1.32 (95% confidence interval 1.09 to 1.59). The relative risk of job insecurity adjusted for sociodemographic and risk factors was 1.19 (1.00 to 1.42). There was no evidence of significant differences in this association by sex, age (<50 v =50 years), national unemployment rate, welfare regime, or job insecurity measure. Conclusions The modest association between perceived job insecurity and incident coronary heart disease is partly attributable to poorer socioeconomic circumstances and less favourable risk factor profiles among people with job insecurity.

Original languageEnglish
Article numberf4746
JournalB M J (Online)
Volume347
Pages (from-to)1-16
Number of pages16
ISSN1756-1833
DOIs
Publication statusPublished - 17 Aug 2013

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